Question

As of 2015, there were over 75,000 elevators in New York City. The frequency table summarizes data on the number of elevators of each type. How do you make a frequency graph to display the data? Photo included. Please answer, thanks!

Answer 1

Answer:

Please find attached the log graph of the count (frequency) of the elevator types

Step-by-step explanation:

The number of different elevators types = 9

The maximum count of an elevator type = 96,602

The minimum count of an elevator type = 45

The mean count or number of elevator per type = 8,454

The standard deviation of number of elevator per type = 20,599.6

Given the wide difference between the mean and the standard deviation, the values of the count or frequency can be converted into the equivalent ㏒₁₀ values to flatten the frequency bar chart or histogram as follows;

Type                   ${}$                 Count (f)                                   ㏒₁₀ (f)

Passenger elevator           66,602                                     4.823487

Freight elevator                 4,140                                         3.617

Escalator                            2,663                                         3.425371

Dumbwaiter                        1,143                                          3.058046

Sidewalk                               943                                           2.974512

Private elevator                    252                                          2.401401

Handicap lift                        227                                          2.356026

Manlift                                   73                                            1.863323

Public elevator                      45                                           1.653213

The information can then be easily graphically displayed.